| NBGEX | VISGX | NBGEX / VISGX | |
| Total Expense Ratio | 1.09 | 0.19 | 574% |
| Annual Report Gross Expense Ratio | 1.09 | 0.19 | 574% |
| Fund Existence | 32 years | 28 years | - |
| Gain YTD | -5.476 | 7.920 | -69% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.52B | 39.7B | 21% |
| Annual Yield % from dividends | 0.00 | 0.43 | - |
| Returns for 1 year | -14.72 | 3.97 | -370% |
| Returns for 3 years | -3.10 | 41.11 | -8% |
| Returns for 5 years | -9.24 | 27.42 | -34% |
| Returns for 10 years | 6.78 | 154.40 | 4% |